public class atry {
    public static void main(String[] args){
        int variable;
        variable=9999;
        //long number =99999999999;
        long number =99999999999L;//缺省时，数字是int ，在末尾加L或l 可以提示数字为long型

        System.out.println(1<2);
        System.out.println(1>2);
        System.out.println("ABCDE");
        System.out.println('A');
       // System.out.println('Abb');//Too many characters in character literal

        //int / int = int
    }
}
